The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 17, 2026

Filed:

Jan. 17, 2025
Applicant:

L'air Liquide, Societe Anonyme Pour L'etude ET L'exploitation Des Procedes Georges Claude, Paris, FR;

Inventors:

Youssef Abdo, Jouy-en-Josas, FR;

Gaetan Coleiro, Sassenage, FR;

Cyril Benistand-Hector, Sassenage, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 3/00 (2006.01); F04B 15/08 (2006.01); F04B 53/12 (2006.01);
U.S. Cl.
CPC ...
F04B 3/00 (2013.01); F04B 15/08 (2013.01); F04B 2015/0822 (2013.01); F04B 53/12 (2013.01);
Abstract

The invention relates to a fluid compression apparatus and method comprising first and second compression chambers, an intake system into the first chamber, a transfer system from the first chamber to the second chamber, a piston for ensuring the compression of the fluid in the first and second chambers, and an orifice for discharging the compressed fluid, the intake system comprising one or more valves, the apparatus further comprising a discharge orifice allowing communication between the first compression chamber and the bath to allow surplus liquid trapped in the first compression chamber to leave during a compression movement of the piston in the first compression chamber, the apparatus comprising a discharge valve configured to control the discharge of liquid via the discharge orifice and to prevent fluid from entering the compression chamber via the discharge orifice.


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